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6665445: Backout change to CardTableModRefBS::resize_covered_region()

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Backed out part of cahnge for 6624765 because of nightly testing regressions.  Reviewers below were for 6624765.

Reviewed-by: ysr, apetrusenko
This commit is contained in:
Jon Masamitsu 2008-02-20 08:40:31 -08:00
parent ae065e6290
commit 9c36dab8c4
1 changed files with 1 additions and 1 deletions
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2
hotspot/src/share/vm/memory/cardTableModRefBS.cpp
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@ -257,7 +257,7 @@ void CardTableModRefBS::resize_covered_region(MemRegion new_region) {
} }
assert(index_for(new_region.last()) < (int) _guard_index, assert(index_for(new_region.last()) < (int) _guard_index,
"The guard card will be overwritten"); "The guard card will be overwritten");
jbyte* const end = (jbyte*) new_end_for_commit; jbyte* const end = byte_after(new_region.last());
// do nothing if we resized downward. // do nothing if we resized downward.
if (entry < end) { if (entry < end) {
memset(entry, clean_card, pointer_delta(end, entry, sizeof(jbyte))); memset(entry, clean_card, pointer_delta(end, entry, sizeof(jbyte)));